FatPacks are those packs that Wizards sell for the newer sets, includes a Book, Either a tournament Pack and 3 Boosters or 6 Boosters (Depends on Whether the Set is the beginning of a block or not) A foil Land from that block, and a foil common from the set. Also comes with a Cardlist/Strategy Book, and in more recent ones (Apocalypse and Odyssey) A d20 you can use as a life counter. Sells for 24.99